CRTC1 and psychiatric disorder: Significant association between CRTC1 rs3746266A > G and BMI, with G carriers having a lower BMI.After adjustment for the severity of the psychiatric disorder, the association between BMI and CRTC1 rs3746266A > G is even stronger.Stronger association in women, especially < 45 years.The T allele of rs6510997C > T (a proxy of the rs3746266 G allele) was associated with lower BMI and fat mass.